How To go to Beauvais airport from paris and back by Train?

Beauvais train station is situated almost 4 km (2.5 mi) away from Beauvais Airport.

To go downtown (town centre) of Beauvais, you can take the commuter bus provided by the city:
 Ligne 12 - Mairie - Zone d’activités des Tilleuls - Tillé – Aéroport
 Airport Shuttle - Airport - Parc Municipal - Maillart - Cathédrale - Mairie (City Hall) - Gare SNCF - Kennedy - Descartes - Délie - Saint-Germain - Elispace - Airport

Beauvais train station has connections to Paris Gare du Nord

You will be searching for the TER (regional express train) to go to Paris Gare du Nord. Schedules that are available on the site www.ter-sncf.com/picardie